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Spotting Evidence of Directed Percolation
Convincing experimental
evidence has finally been
found for directed
percolation, a phenomenon
that turns up in computer
models of the ways diseases
spread through a population
... > full story
Cousins of Prehistoric Supercrocodile Inhabit Lost World of Sahara
Fossils of five ancient
crocs, including one with
teeth like boar tusks and
another with a snout like a
duck's bill, have been
discovered in the Sahara.
... > full story
SMOS Satellite Instrument Comes Alive
The MIRAS instrument on
ESA's SMOS satellite,
launched earlier this month,
has been switched on and is
operating normally. MIRAS
will map soil moisture and
ocean salinity to improve
... > full story
Diatoms Reveal Climate Changes
Some 500 years ago there was
a change in the circulation
in the atmosphere over
Scandinavia. This probably
led to increased amounts of
winter precipitation in
northern Sweden for a
... > full story
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New Method to Measure Snow, Vegetation Moisture With GPS May Benefit Farmers, Meteorologists
November 20, 2009 — Scientists have found a clever way to use traditional GPS satellite signals to measure snow depth as well as soil and vegetation moisture, a technique expected to benefit meteorologists, water ... > full story -
Origin of Life: Generating RNA Molecules in Water
November 20, 2009 — A key question in the origin of biological molecules like RNA and DNA is how they first came together billions of years ago from simple precursors. Now, researchers have reconstructed one of the ... > full story -
Monsoon Model Indicates Potential for Abrupt Transitions
November 18, 2009 — A self-amplifying effect presently sustains monsoon winds, but it could also disrupt the circulation over land and sea. The periodical rainfall could stop from one season to another or for months ... > full story -
Research Challenges for Understanding Landscape Changes Identified
November 18, 2009 — Nine research challenges and four research initiatives that are poised to advance the study of how Earth's landscapes change were unveiled by the National Research ... > full story -
New Water Management Tool May Help Ease Effects of Drought
November 17, 2009 — Continued improvement of climate forecasts is resulting in better information about what rainfall may look like months in advance. A researcher has now developed an innovative water management ... > full story -
How Much Water Does the Ocean Have?
November 17, 2009 — The calculation of variations in the sea level is relatively simple. It is by far more complicated to then determine the change in the water mass. A team of geodesists and oceanographers have now, ... > full story -
Energy and the Environment
Renewable Energy
Environmental Science
Alternative Fuels
Environmental Issues
Air Quality
Glimpsing a Greener Future: Computer Model Foresees Effects of Alternative Transportation Fuels
November 17, 2009 — It's the year 2060, and 75 percent of drivers in the Greater Los Angeles area have hydrogen fuel cell vehicles that emit only water vapor. Look into Shane Stephens-Romero's crystal ball -- a computer ... > full story -
Sea Stars Bulk Up to Beat the Heat
November 17, 2009 — A new study finds that a species of sea star stays cool using a strategy never before seen in the animal kingdom. The sea stars soak up cold sea water into their bodies during high tide as buffer ... > full story -
Volatile Gas Could Turn Rwandan Lake Into a Freshwater Time Bomb
November 16, 2009 — A dangerous level of carbon dioxide and methane gas haunts Lake Kivu, the freshwater lake bordering Rwanda and the Democratic Republic of Congo. The volatile mixture at the bottom of the lake could ... > full story -
Dissolved Arsenic in Bangladesh Drinking Water Is from Human Alteration of Landscape
November 16, 2009 — Researchers believe they have pinpointed a pathway by which arsenic may be contaminating the drinking water in Bangladesh, a phenomenon that has puzzled scientists, world health agencies and the ... > full story
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